! Started logfile: /image_prod/ug002_uva//J1720-2258_X_dfm.log on Thu Mar 5 03:12:11 2020 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /image_prod/ug002_uva//J1720-2258_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1720-2258_X_uva.fits ! AN table 1: 30 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.995238 visibilities/baseline/integration-bin. ! Found source: J1720-2258 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 121 lines of history. ! ! Reading 10032 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 12 channels. ! Selecting polarization: RR, channels: 1..12 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J1720-2258_X] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=1.006348Jy sigma=8.064845 ! Fit after self-cal, rms=0.951549Jy sigma=7.629006 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.6547 mas, bmaj=3.36 mas, bpa=-19.28 degrees ! Estimated noise=1.50115 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0367529 Jy ! Component: 100 - total flux cleaned = 0.0484465 Jy ! Total flux subtracted in 100 components = 0.0484465 Jy ! Clean residual min=-0.004645 max=0.005089 Jy/beam ! Clean residual mean=-0.000000 rms=0.001022 Jy/beam ! Combined flux in latest and established models = 0.0484465 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.0484465 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.076084Jy sigma=0.504295 ! Fit after self-cal, rms=0.074965Jy sigma=0.494606 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00703654 Jy ! Component: 100 - total flux cleaned = 0.0092259 Jy ! Total flux subtracted in 100 components = 0.0092259 Jy ! Clean residual min=-0.004393 max=0.003969 Jy/beam ! Clean residual mean=0.000000 rms=0.000918 Jy/beam ! Combined flux in latest and established models = 0.0576724 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 19 components and 0.0576724 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.074241Jy sigma=0.488135 ! Fit after self-cal, rms=0.074180Jy sigma=0.487938 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8588 mas, bmaj=3.685 mas, bpa=-17.79 degrees ! Estimated noise=0.911818 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00154612 Jy ! Component: 100 - total flux cleaned = 0.00170883 Jy ! Component: 150 - total flux cleaned = 0.00198086 Jy ! Component: 200 - total flux cleaned = 0.00215498 Jy ! Total flux subtracted in 200 components = 0.00215498 Jy ! Clean residual min=-0.003446 max=0.002988 Jy/beam ! Clean residual mean=-0.000000 rms=0.000732 Jy/beam ! Combined flux in latest and established models = 0.0598274 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 30 components and 0.0598274 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.074021Jy sigma=0.486632 ! Fit after self-cal, rms=0.073946Jy sigma=0.486530 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8588 x 3.685 at -17.79 degrees (North through East) ! Clean map min=-0.0032464 max=0.049458 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.86 HN 0.90 KP 1.09 ! LA 0.96 MK 0.95 NL 1.17 OV 0.94 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.95 HN 0.84 KP 1.04 ! LA 0.96 MK 1.04 NL 1.17 OV 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.04 HN 0.92 KP 1.03 ! LA 0.95 MK 0.96 NL 1.28 OV 0.88 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.06 HN 0.89 KP 1.05 ! LA 1.03 MK 1.06 NL 1.39 OV 0.84 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.94 HN 0.87 KP 1.08 ! LA 0.96 MK 1.08 NL 1.29 OV 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.02 HN 0.81 KP 1.09 ! LA 1.00 MK 0.97 NL 1.34 OV 0.87 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.00 HN 0.88 KP 1.07 ! LA 1.05 MK 1.06 NL 1.24 OV 0.85 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.05 HN 0.79 KP 1.04 ! LA 1.01 MK 0.88 NL 1.22 OV 0.88 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HN 0.74 KP 1.00 ! LA 1.06 MK 1.09 NL 1.26 OV 0.85 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.00 HN 0.82 KP 1.09 ! LA 0.99 MK 0.97 NL 1.25 OV 0.90 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.98 HN 0.75 KP 1.18 ! LA 0.92 MK 0.82 NL 1.25 OV 0.93 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.96 HN 0.76 KP 1.07 ! LA 0.97 MK 0.91 NL 1.26 OV 0.89 ! ! ! Fit before self-cal, rms=0.073946Jy sigma=0.486530 ! Fit after self-cal, rms=0.070983Jy sigma=0.481732 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8438 mas, bmaj=3.605 mas, bpa=-17.33 degrees ! Estimated noise=0.895677 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00092862 Jy ! Component: 100 - total flux cleaned = 0.00122547 Jy ! Component: 150 - total flux cleaned = 0.00134899 Jy ! Component: 200 - total flux cleaned = 0.00144113 Jy ! Total flux subtracted in 200 components = 0.00144113 Jy ! Clean residual min=-0.001824 max=0.002233 Jy/beam ! Clean residual mean=-0.000002 rms=0.000490 Jy/beam ! Combined flux in latest and established models = 0.0612685 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 47 components and 0.0612685 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.070963Jy sigma=0.481607 ! Fit after self-cal, rms=0.071156Jy sigma=0.480944 ! Inverting map selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.071156Jy sigma=0.480944 ! Fit after self-cal, rms=0.071035Jy sigma=0.480781 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8371 mas, bmaj=3.584 mas, bpa=-17.24 degrees ! Estimated noise=0.896745 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000798552 Jy ! Component: 100 - total flux cleaned = 0.00104866 Jy ! Component: 150 - total flux cleaned = 0.00116465 Jy ! Component: 200 - total flux cleaned = 0.00125126 Jy ! Total flux subtracted in 200 components = 0.00125126 Jy ! Clean residual min=-0.001929 max=0.002190 Jy/beam ! Clean residual mean=-0.000002 rms=0.000484 Jy/beam ! Combined flux in latest and established models = 0.0625197 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 48 components and 0.0625197 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.071018Jy sigma=0.480687 ! Fit after self-cal, rms=0.071040Jy sigma=0.480658 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (33.4, 27.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00126928 Jy ! Component: 100 - total flux cleaned = 0.00162939 Jy ! Component: 150 - total flux cleaned = 0.00175055 Jy ! Component: 200 - total flux cleaned = 0.00174759 Jy ! Total flux subtracted in 200 components = 0.00174759 Jy ! Clean residual min=-0.001830 max=0.001758 Jy/beam ! Clean residual mean=-0.000001 rms=0.000456 Jy/beam ! Combined flux in latest and established models = 0.0642673 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 73 components and 0.0642673 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.070947Jy sigma=0.480122 ! Fit after self-cal, rms=0.070910Jy sigma=0.479998 ! Inverting map selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.070910Jy sigma=0.479998 ! Fit after self-cal, rms=0.070716Jy sigma=0.478531 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8297 mas, bmaj=3.583 mas, bpa=-17.4 degrees ! Estimated noise=0.889659 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000659297 Jy ! Component: 100 - total flux cleaned = 0.00106553 Jy ! Component: 150 - total flux cleaned = 0.0013148 Jy ! Component: 200 - total flux cleaned = 0.00145177 Jy ! Total flux subtracted in 200 components = 0.00145177 Jy ! Clean residual min=-0.001855 max=0.001737 Jy/beam ! Clean residual mean=-0.000002 rms=0.000426 Jy/beam ! Combined flux in latest and established models = 0.0657191 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 85 components and 0.0657191 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.070671Jy sigma=0.478345 ! Fit after self-cal, rms=0.070699Jy sigma=0.478163 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000261214 Jy ! Component: 100 - total flux cleaned = 0.000339668 Jy ! Component: 150 - total flux cleaned = 0.000409801 Jy ! Component: 200 - total flux cleaned = 0.000475139 Jy ! Total flux subtracted in 200 components = 0.000475139 Jy ! Clean residual min=-0.001957 max=0.001795 Jy/beam ! Clean residual mean=-0.000001 rms=0.000433 Jy/beam ! Combined flux in latest and established models = 0.0661942 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 91 components and 0.0661942 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.070674Jy sigma=0.478074 ! Fit after self-cal, rms=0.070672Jy sigma=0.478060 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.070672Jy sigma=0.478060 ! Fit after self-cal, rms=0.070255Jy sigma=0.477956 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.051 mas, bmaj=5.512 mas, bpa=-1.405 degrees ! Estimated noise=1.12986 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000538137 Jy ! Component: 100 - total flux cleaned = 0.000831666 Jy ! Component: 150 - total flux cleaned = 0.00105452 Jy ! Component: 200 - total flux cleaned = 0.00115188 Jy ! Total flux subtracted in 200 components = 0.00115188 Jy ! Clean residual min=-0.001842 max=0.001797 Jy/beam ! Clean residual mean=-0.000004 rms=0.000499 Jy/beam ! Combined flux in latest and established models = 0.0673461 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 110 components and 0.0673461 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.070240Jy sigma=0.477932 ! Fit after self-cal, rms=0.070233Jy sigma=0.477901 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000197582 Jy ! Component: 100 - total flux cleaned = 0.000184134 Jy ! Component: 150 - total flux cleaned = 0.000172262 Jy ! Component: 200 - total flux cleaned = 0.000162441 Jy ! Total flux subtracted in 200 components = 0.000162441 Jy ! Clean residual min=-0.001887 max=0.001748 Jy/beam ! Clean residual mean=-0.000003 rms=0.000500 Jy/beam ! Combined flux in latest and established models = 0.0675085 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 120 components and 0.0675086 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.070228Jy sigma=0.477897 ! Fit after self-cal, rms=0.070223Jy sigma=0.477889 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=0.8245 mas, bmaj=3.578 mas, bpa=-17.41 degrees ! Estimated noise=0.887115 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8245 x 3.578 at -17.41 degrees (North through East) ! Clean map min=-0.0021284 max=0.047511 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.6337 mas, bmaj=3.279 mas, bpa=-18.98 degrees ! Estimated noise=1.42316 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0356984 Jy ! Component: 100 - total flux cleaned = 0.0485682 Jy ! Component: 150 - total flux cleaned = 0.0547457 Jy ! Component: 200 - total flux cleaned = 0.0572384 Jy ! Total flux subtracted in 200 components = 0.0572384 Jy ! Clean residual min=-0.003004 max=0.003148 Jy/beam ! Clean residual mean=-0.000001 rms=0.000717 Jy/beam ! Combined flux in latest and established models = 0.0572384 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 19 model components to the UV plane model. ! The established model now contains 19 components and 0.0572384 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8245 mas, bmaj=3.578 mas, bpa=-17.41 degrees ! Estimated noise=0.887115 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00360768 Jy ! Component: 100 - total flux cleaned = 0.00518227 Jy ! Component: 150 - total flux cleaned = 0.00628316 Jy ! Component: 200 - total flux cleaned = 0.0071957 Jy ! Total flux subtracted in 200 components = 0.0071957 Jy ! Clean residual min=-0.002051 max=0.001793 Jy/beam ! Clean residual mean=-0.000003 rms=0.000466 Jy/beam ! Combined flux in latest and established models = 0.0644341 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 49 components and 0.0644341 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.051 mas, bmaj=5.512 mas, bpa=-1.405 degrees ! Estimated noise=1.12986 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0015122 Jy ! Component: 100 - total flux cleaned = 0.00209186 Jy ! Component: 150 - total flux cleaned = 0.00257319 Jy ! Component: 200 - total flux cleaned = 0.00294629 Jy ! Total flux subtracted in 200 components = 0.00294629 Jy ! Clean residual min=-0.001904 max=0.001812 Jy/beam ! Clean residual mean=-0.000004 rms=0.000505 Jy/beam ! Combined flux in latest and established models = 0.0673804 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000187675 Jy ! Component: 100 - total flux cleaned = 0.00024704 Jy ! Component: 150 - total flux cleaned = 0.000265088 Jy ! Component: 200 - total flux cleaned = 0.000280919 Jy ! Total flux subtracted in 200 components = 0.000280919 Jy ! Clean residual min=-0.001897 max=0.001763 Jy/beam ! Clean residual mean=-0.000003 rms=0.000503 Jy/beam ! Combined flux in latest and established models = 0.0676613 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 89 components and 0.0676613 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8245 mas, bmaj=3.578 mas, bpa=-17.41 degrees ! Estimated noise=0.887115 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000442074 Jy ! Component: 100 - total flux cleaned = -0.000410129 Jy ! Component: 150 - total flux cleaned = -0.000351963 Jy ! Component: 200 - total flux cleaned = -0.000270487 Jy ! Total flux subtracted in 200 components = -0.000270487 Jy ! Clean residual min=-0.002141 max=0.001706 Jy/beam ! Clean residual mean=-0.000002 rms=0.000437 Jy/beam ! Combined flux in latest and established models = 0.0673908 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 109 components and 0.0673908 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.070223Jy sigma=0.478127 ! Fit after self-cal, rms=0.070193Jy sigma=0.478038 wmodel J1720-2258_X_map.mod ! Writing 109 model components to file: J1720-2258_X_map.mod wobs J1720-2258_X_uvs.fits ! Writing UV FITS file: J1720-2258_X_uvs.fits wwins J1720-2258_X_map.win ! wwins: Wrote 2 windows to J1720-2258_X_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000505036 Jy ! Component: 100 - total flux cleaned = -0.000770449 Jy ! Component: 150 - total flux cleaned = -0.00101874 Jy ! Component: 200 - total flux cleaned = -0.00117791 Jy ! Component: 250 - total flux cleaned = -0.00150963 Jy ! Component: 300 - total flux cleaned = -0.00173216 Jy ! Component: 350 - total flux cleaned = -0.00197357 Jy ! Component: 400 - total flux cleaned = -0.00216203 Jy ! Component: 450 - total flux cleaned = -0.00225474 Jy ! Component: 500 - total flux cleaned = -0.0024349 Jy ! Component: 550 - total flux cleaned = -0.00254485 Jy ! Component: 600 - total flux cleaned = -0.00267363 Jy ! Component: 650 - total flux cleaned = -0.00277968 Jy ! Component: 700 - total flux cleaned = -0.00288364 Jy ! Component: 750 - total flux cleaned = -0.0030058 Jy ! Component: 800 - total flux cleaned = -0.00298567 Jy ! Component: 850 - total flux cleaned = -0.00304469 Jy ! Component: 900 - total flux cleaned = -0.0030447 Jy ! Component: 950 - total flux cleaned = -0.00304481 Jy ! Component: 1000 - total flux cleaned = -0.0030823 Jy ! Component: 1050 - total flux cleaned = -0.00308204 Jy ! Component: 1100 - total flux cleaned = -0.00310008 Jy ! Component: 1150 - total flux cleaned = -0.00304666 Jy ! Component: 1200 - total flux cleaned = -0.00301161 Jy ! Component: 1250 - total flux cleaned = -0.00299458 Jy ! Component: 1300 - total flux cleaned = -0.00302871 Jy ! Component: 1350 - total flux cleaned = -0.00301163 Jy ! Component: 1400 - total flux cleaned = -0.00299478 Jy ! Component: 1450 - total flux cleaned = -0.0029781 Jy ! Component: 1500 - total flux cleaned = -0.00294575 Jy ! Component: 1550 - total flux cleaned = -0.0029459 Jy ! Component: 1600 - total flux cleaned = -0.00294581 Jy ! Component: 1650 - total flux cleaned = -0.00288334 Jy ! Component: 1700 - total flux cleaned = -0.00285245 Jy ! Component: 1750 - total flux cleaned = -0.00282189 Jy ! Component: 1800 - total flux cleaned = -0.00279195 Jy ! Component: 1850 - total flux cleaned = -0.00279197 Jy ! Component: 1900 - total flux cleaned = -0.00276241 Jy ! Component: 1950 - total flux cleaned = -0.00274773 Jy ! Component: 2000 - total flux cleaned = -0.00267563 Jy ! Component: 2050 - total flux cleaned = -0.00261879 Jy ! Component: 2100 - total flux cleaned = -0.00263286 Jy ! Component: 2150 - total flux cleaned = -0.00259102 Jy ! Component: 2200 - total flux cleaned = -0.0026188 Jy ! Component: 2250 - total flux cleaned = -0.00257746 Jy ! Component: 2300 - total flux cleaned = -0.00257739 Jy ! Component: 2350 - total flux cleaned = -0.00253711 Jy ! Component: 2400 - total flux cleaned = -0.00252388 Jy ! Component: 2450 - total flux cleaned = -0.00249759 Jy ! Component: 2500 - total flux cleaned = -0.00248464 Jy ! Component: 2550 - total flux cleaned = -0.00254957 Jy ! Component: 2600 - total flux cleaned = -0.00254954 Jy ! Component: 2650 - total flux cleaned = -0.00253665 Jy ! Component: 2700 - total flux cleaned = -0.00257424 Jy ! Component: 2750 - total flux cleaned = -0.00256174 Jy ! Component: 2800 - total flux cleaned = -0.00252459 Jy ! Component: 2850 - total flux cleaned = -0.00253695 Jy ! Component: 2900 - total flux cleaned = -0.00256145 Jy ! Component: 2950 - total flux cleaned = -0.00257365 Jy ! Component: 3000 - total flux cleaned = -0.00256163 Jy ! Component: 3050 - total flux cleaned = -0.00256178 Jy ! Component: 3100 - total flux cleaned = -0.0026209 Jy ! Component: 3150 - total flux cleaned = -0.00263261 Jy ! Component: 3200 - total flux cleaned = -0.00262092 Jy ! Component: 3250 - total flux cleaned = -0.00262085 Jy ! Component: 3300 - total flux cleaned = -0.00260942 Jy ! Component: 3350 - total flux cleaned = -0.00260922 Jy ! Component: 3400 - total flux cleaned = -0.00260923 Jy ! Component: 3450 - total flux cleaned = -0.00263161 Jy ! Component: 3500 - total flux cleaned = -0.00260927 Jy ! Component: 3550 - total flux cleaned = -0.00259822 Jy ! Component: 3600 - total flux cleaned = -0.00258723 Jy ! Component: 3650 - total flux cleaned = -0.00259819 Jy ! Component: 3700 - total flux cleaned = -0.00265274 Jy ! Component: 3750 - total flux cleaned = -0.00268522 Jy ! Component: 3800 - total flux cleaned = -0.0026636 Jy ! Component: 3850 - total flux cleaned = -0.00268506 Jy ! Component: 3900 - total flux cleaned = -0.00269569 Jy ! Component: 3950 - total flux cleaned = -0.00273799 Jy ! Component: 4000 - total flux cleaned = -0.00270644 Jy ! Component: 4050 - total flux cleaned = -0.00277951 Jy ! Total flux subtracted in 4096 components = -0.00275873 Jy ! Clean residual min=-0.000573 max=0.000622 Jy/beam ! Clean residual mean=-0.000001 rms=0.000186 Jy/beam ! Combined flux in latest and established models = 0.0646321 Jy keep ! Adding 284 model components to the UV plane model. ! The established model now contains 393 components and 0.0646321 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1720-2258_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8245 x 3.578 at -17.41 degrees (North through East) ! Clean map min=-0.0021946 max=0.047162 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1720-2258_X_map.fits wmodel /image_prod/ug002_uva//J1720-2258_X_map.mod ! Writing 393 model components to file: /image_prod/ug002_uva//J1720-2258_X_map.mod wobs /image_prod/ug002_uva//J1720-2258_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1720-2258_X_uvs.fits wwins /image_prod/ug002_uva//J1720-2258_X_map.win ! wwins: Wrote 3 windows to /image_prod/ug002_uva//J1720-2258_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.047162 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000182849 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.16312 1.16312 2.32623 4.65246 9.30493 18.6099 37.2197 74.4394 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.047 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 257.927 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1720-2258_X_dfm.log closed on Thu Mar 5 03:12:15 2020